/*
 * Copyright (C) 2021 ByteDance Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once


#include "npth_dl.h"

namespace rheatrace {

class ScopedDlopen {
public:
    ScopedDlopen(const char *so_name) {
        handler = npth_dlopen(so_name);
    }

    ~ScopedDlopen() {
        release();
    }

    void release() {
        if (handler) {
            npth_dlclose(handler);
        }
        handler = nullptr;
    }

    void *get() const {
        return handler;
    }

private:
    void *handler;

    ScopedDlopen(const ScopedDlopen &) = delete;

    void operator=(const ScopedDlopen &) = delete;
};

}